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Question

Issue with FTPCaller on Flow but now on Form (desktop)-Could not resolve hostname

alisonsep
Contributor
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Greetings!

I have a simple workbench that runs without issue on Form (v2025.0) that uses a CSV reader that lists File_name, file_url in which the url is a SFTP://hostname:22/path/filename.typ 

The CSV reader is linked to the FTPCaller.

This process works fine on Form (desktop) and loads the files to the respective server and path.

However, when the workbench is run from the server, is runs Successful-but does not load the files; in the log there is an error: 

FTPCaller (FTPFactory): FTP/FTPS/SFTP transfer error: Could not resolve hostname

 

Any suggestions on why?

david_r
danilo_fme
2 people upvoted this
  • david_r
    david_r
  • danilo_fme
    danilo_fme

4 replies

david_r
Celebrity
  • david_rCelebrity
  • April 29, 2025

First thing to check is that the Flow services are running as an active directory account with network access permissions. See: https://docs.safe.com/fme/html/FME-Flow/AdminGuide/Running_System_Services_Under_Different_Accounts.htm

By default, the FME Flow Core, FME Flow Engines, and FME Flow Application Server Windows services run under the local system account, which does not have network permissions.

alisonsep
Contributor
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  • alisonsepContributor
  • Author
  • Contributor
  • April 29, 2025

Yes, one of the first things we did was change the account that runs those processes in order for the FME Server to be able to reach folders and items on our network. Other workbenches that are running on Flow do not have issues reaching locations on our network.

carlw
Safer
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  • carlwSafer
  • Safer
  • May 2, 2025

Hi ​@alisonsep, I’m sorry to hear that this specific workspace is acting up like this - this is certainly an odd one. Are you able to submit a support ticket? It would be useful to review your workspace and some full logs so that we can figure out what exactly is causing this error.

alisonsep
Contributor
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  • alisonsepContributor
  • Author
  • Contributor
  • May 5, 2025

I will submit one today. Thank you!

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